UST1V330MDD

Series:	UST
Packaging:	Tape & Box (TB)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	33µF
Tolerance:	±20%
Voltage - Rated:	35V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	1000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	72mA @ 120Hz
Ripple Current @ High Frequency:	108mA @ 10kHz
Lead Spacing:	0.138" (3.50mm)
Size / Dimension:	0.315" Dia (8.00mm)
Height - Seated (Max):	0.315" (8.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used in consumer electronics, industrial and automotive applications due to their high energy density, low price and wide temperature range. The UST1V330MDD is a popular model of aluminum electrolytic capacitor due to its low ESR and high ripple current capabilities, making it a favorite choice for power supply applications. The following will explain the working principle and application field of the UST1V330MDD.

Working Principle

Electrolytic capacitors use a chemical reaction between a metal anode and electrolyte to store energy. Aluminum electrolytics are different from traditional paper capacitors in that the electrolyte is a liquid that can be pumped into the anode during assembly, creating an electrical connection within the capacitor. This reaction forms a thin oxide film on the metal surface of the anode and acts as a dielectric, which is responsible for the capacitance of the capacitor.The UST1V330MDD capacitor consists of an anode made of aluminum foil, and a liquid-filled dielectric material as the electrolyte. It is designed to provide low equivalent series resistance (ESR) and high ripple current capabilities. The anode is coated with organic solvents to slow down corrosion and an organic resin to protect against leakage current. The electrolyte is a combination of ethanol and propylene glycol, which helps to reduce ESR and increase the circuit’s reliability.

Application Field

Due to its high energy density and long life, the UST1V330MDD is suitable for high voltage, high frequency and high ripple current applications, such as switching power supplies, solar inverters, uninterruptible power supplies, motor drives, and other alternative energy applications. Its wide temperature range, high reliability and large capacitance range make it a popular choice for many application fields. UST1V330MDD capacitors are ideal for automotive, industrial and consumer applications. They can be used in a variety of applications as they have a wide temperature range and high energy density, making them suitable for high frequency, high voltage, and high ripple current applications. In addition, their long life and stability make them a reliable choice for many applications.

Conclusion

The UST1V330MDD is a popular model of aluminum electrolytic capacitor due to its low ESR and high ripple current capabilities. It is used for a variety of high voltage and high frequency applications due to its high energy density and wide temperature range. In addition, its long life and stability make it a reliable choice for many applications.

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